#include <iostream>
using namespace std;
#include <string>
int main() {
  int a = 0;
  cout << "请给整型a赋值" << endl;
  cin >> a;
  cout << "a=" << a << endl;
  float f = 3.14f;
  cout << "请给浮点型f赋值" << endl;
  cin >> f;
  cout << "f=" << f << endl;
  char ch = 'a';
  cout << "请给字符型ch赋值" << endl;
  cin >> ch;
  cout << "ch=" << ch << endl;
  bool flag = false;
  cout << "请给布尔型flag赋值" << endl;
  cin >> flag;
  cout << "flag=" << flag << endl;
  string str = "hello";
  cout << "请给字符串str赋值" << endl;
  cin >> str;
  cout << "str=" << str << endl;
  return 0;
}
